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Sports & Strength Calculators

Running pace and one-rep-max strength estimates.

World Handicap System

Golf Handicap Calculator

Turn scores into differentials and build a Handicap Index with the World Handicap System table.

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One Rep Max Calculator

Estimate your one-rep max from a lighter lifting set.

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Endurance

Race Time Predictor

Estimate an equivalent race time at another distance from one known result.

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Running Pace Calculator

Convert distance and time into pace per mile or kilometer.

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Swimming

Swim Pace Calculator

Convert a swim time and distance into pace per 100 m, speed, and split times.

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